A comparative study of preservation and storage of Haemophilus influenzae

Autor: Olga C Aulet de Saab, Marta C de Castillo, Aida P de Ruiz Holgado, Olga M de Nader

Publikováno v: Memorias do Instituto Oswaldo Cruz, Vol 96, Iss 4, Pp 583-586 (2001)

The aim of this study was to compare the efficacy of conservation by freezing the strains of Haemophilus influenzae at -20ºC and -70ºC. Skim milk supplemented with glucose, yeast extract and glycerol allowed highest viability of H. influenzae both

Externí odkaz: https://doaj.org/article/1b4b5509e1cf45d186e68b7fcd851575

Properties of ß-lactamase from Neisseria gonorrhoeae

Autor: Marta C de Castillo, Fernando Sesma, Olga M de Nader, Aida P de Ruiz Holgado

Publikováno v: Memorias do Instituto Oswaldo Cruz, Vol 93, Iss 2, Pp 237-241 (1998)

ß-lactamase activity was studied in Neisseria gonorrhoeae strains. Optimum temperature was found to be 37°C. The enzyme was inactivated at temperatures higher than 60°C, but remained active during storage at low temperatures (4°C, -30°C and -70�

Externí odkaz: https://doaj.org/article/81fd822d8d8e404f9a0524b02fdce0ba

Properties of ß-lactamase from Neisseria gonorrhoeae

Autor: Olga M. de Nader, Marta C. de Castillo, Fernando. Sesma, Aida Pesce de Ruiz Holgado

Publikováno v: Memórias do Instituto Oswaldo Cruz., Vol 93, Iss 2, Pp 237-241 (1998)
Memórias do Instituto Oswaldo Cruz, Volume: 93, Issue: 2, Pages: 237-241, Published: MAR 1998
Memórias do Instituto Oswaldo Cruz., Vol 93, Iss 2, p 237 (1998)

Beta-lactamase activity was studied in Neisseria gonorrhoeae strains. Optimum temperature was found to be 37 degrees C. The enzyme was inactivated at temperatures higher than 60 degrees C, but remained active during storage at low temperatures (4 deg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41b50b457d4d501f9135894cac438da2
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761998000200020

Bactericidal activity of lemon juice and lemon derivatives against Vibrio cholerae

Autor: Olga M. de Nader, Clara Silva de Ruiz, Olga A. de Saab, Marta C. de Castillo, Aida Pece De Ruiz Holgado, Norma P. de Fernandez, Rosa Cangemi de Gutierrez, C. Allori

Publikováno v: Biologicalpharmaceutical bulletin. 23(10)

Food products can be possible vectors of the agent responsible for cholera epidemics, because some of these products allow Vibrio cholerae O1 to develop to concentrations above the dangerous level. This study deals with the behaviour of essential oil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41f8df5aa956724b0a30200c5d42f7df
https://pubmed.ncbi.nlm.nih.gov/11041258

In vitro Comparison of Disk Diffusion and Agar Dilution Antibiotic Susceptibility Test Methods for Neisseria gonorrhoeae

Autor: Olga A. de Saab, Olga M. de Nader, Aida Pesce de Ruiz Holgado, Marta C. de Castillo

Publikováno v: Memórias do Instituto Oswaldo Cruz., Vol 93, Iss 4, p 517 (1998)
Memórias do Instituto Oswaldo Cruz, Volume: 93, Issue: 4, Pages: 517-522, Published: JUL 1998
Memórias do Instituto Oswaldo Cruz., Vol 93, Iss 4, Pp 517-522 (1998)

At present, most Neisseria gonorrhoeae testing is done with beta-lactamase and agar dilution tests with common therapeutic agents. Generally, in bacteriological diagnosis laboratories in Argentina, study of antibiotic susceptibility of N. gonorrhoeae

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f038937584ce5c51d5ec0db6a8f4ade3
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761998000400019